@Test
public void writeFile() {
MetaRepository m3 = MetaRepository.createFM3();
Appendable stream = new StringBuilder();
m3.accept(new MSEPrinter(stream));
String mse = stream.toString();
assertTrue(mse.length() != 0);
// out(mse);
}
@Test
public void readFile() {
MetaRepository m3 = MetaRepository.createFM3();
StringBuilder buffer = new StringBuilder();
m3.accept(new MSEPrinter(buffer));
Importer builder = new Importer(m3);
builder.readFrom(InputSource.fromString(buffer));
Repository m2 = builder.getResult();
m2.getElements();
}